VDB-377718 · CVE-2026-58588 · GCVE-0-2026-58588

Drupal Canvas up to 1.4.1/1.5.1/1.6.0/1.7.0 cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	1.15+

Summaryinfo

A vulnerability described as problematic has been identified in Drupal Canvas up to 1.4.1/1.5.1/1.6.0/1.7.0. Affected by this vulnerability is an unknown functionality of the component Canvas. The manipulation results in cross site scripting. This vulnerability was named CVE-2026-58588. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Drupal Canvas up to 1.4.1/1.5.1/1.6.0/1.7.0. It has been classified as problematic. Affected is an unknown code block of the component Canvas. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal Canvas allows Cross-Site Scripting (XSS). This issue affects Drupal Canvas versions: from 0.0.0 to 1.4.2, from 1.5.0 to 1.5.2, from 1.6.0 to 1.6.1, from 1.7.0 to 1.7.1.

The advisory is available at drupal.org. This vulnerability is traded as CVE-2026-58588 since 07/01/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 1.4.2, 1.5.2, 1.6.1 or 1.7.1 eliminates this vulnerability.

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Productinfo

Type

Content Management System

Vendor

Drupal

Name

Canvas

Version

License

open-source

Website

Vendor: https://www.drupal.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: Canvas 1.4.2/1.5.2/1.6.1/1.7.1

Timelineinfo

07/01/2026 CVE reserved
07/11/2026 +10 days Advisory disclosed
07/11/2026 +0 days VulDB entry created
07/11/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: drupal.org

Advisory: drupal.org
Status: Confirmed

CVE: CVE-2026-58588 (🔒)
GCVE (CVE): GCVE-0-2026-58588
GCVE (VulDB): GCVE-100-377718

Entryinfo

Created: 07/11/2026 03:17
Changes: 07/11/2026 03:17 (54)
Complete: 🔍
Cache ID: 216::103